A Study of the Vegetation of Southeastern Washington And Adjacent Idaho
A Study of the Vegetation of Southeastern Washington And Adjacent Idaho
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In our eReader you can find the full English version of the book. Read A Study of the Vegetation of Southeastern Washington And Adjacent Idaho Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Study of the Vegetation of Southeastern Washington And Adjacent Idaho
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To quickly assess the difficulty of the text, read a short excerpt:
Graphs showing the march of soil water in various plant com- munities on Cedar Mountain.
35- 36 A Study of the Vegetation of dry weight. The chart shows that at no time did these virgin forests of fir-tamarack or cedar exhaust all of the water in the surface ten inches of soil. Likewise, samples at a depth of 2 feet on August i, 1914, gave a water content of 66 per cent, and 19 per cent, in the cedar and fir-tamarack forest respectively. Similar determinations at 2 feet in the rocky pine-covere...d soils gave a water content of about 10 per cent. , which is very near the wilting coefficient. The slow growth and dwarfed appearance of these trees reflect the unfavorable habitat conditions.
These studies on the evaporating power of the air and the amount and range of soil moisture in different plant communities may be briefly summarized.
Evaporation at different stations within the same plant com- munity exhibits variations similar both in character and degree, and the variations in the rate of evaporation gradually become less and less as the climax type of vegetation is approached.
What to read after A Study of the Vegetation of Southeastern Washington And Adjacent Idaho?
You can find similar books in the "Read Also" column, or choose other free books by John E John Ernest Weaver to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Graphs showing the march of soil water in various plant com- munities on Cedar Mountain.
35- 36 A Study of the Vegetation of dry weight. The chart shows that at no time did these virgin forests of fir-tamarack or cedar exhaust all of the water in the surface ten inches of soil. Likewise, samples at a depth of 2 feet on August i, 1914, gave a water content of 66 per cent, and 19 per cent, in the cedar and fir-tamarack forest respectively. Similar determinations at 2 feet in the rocky pine-covere...d soils gave a water content of about 10 per cent. , which is very near the wilting coefficient. The slow growth and dwarfed appearance of these trees reflect the unfavorable habitat conditions.
These studies on the evaporating power of the air and the amount and range of soil moisture in different plant communities may be briefly summarized.
Evaporation at different stations within the same plant com- munity exhibits variations similar both in character and degree, and the variations in the rate of evaporation gradually become less and less as the climax type of vegetation is approached.
What to read after A Study of the Vegetation of Southeastern Washington And Adjacent Idaho?
You can find similar books in the "Read Also" column, or choose other free books by John E John Ernest Weaver to read onlineMoreLess
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